A spacecraft is any type of vehicle or equipment intended for travel or operations beyond the Earth's atmosphere. These vehicles vary widely in size, design, and purpose, from robotic probes and satellites to crewed spacecraft designed for human space exploration. Spacecraft can be categorized into several types based on their function:
Satellites: Artificial satellites are spacecraft placed into orbit around Earth or other celestial bodies for various purposes, including communication, weather observation, scientific research, and navigation.
Probes: Robotic probes are unmanned spacecraft designed to explore planets, moons, asteroids, and other celestial bodies within our solar system and beyond. They gather scientific data and imagery to study planetary environments and cosmic phenomena.
Space Stations: Space stations are habitable artificial structures in space, typically designed to support long-duration human habitation and scientific research in microgravity environments. Examples include the International Space Station (ISS).
Crewed Spacecraft: Crewed spacecraft, or manned spacecraft, are vehicles designed to transport astronauts into space and back safely. They include capsules, spaceplanes, and other configurations equipped with life support systems, propulsion, and docking capabilities.
Interplanetary and Interstellar Vehicles: Concepts and prototypes for spacecraft capable of traveling between planets within our solar system or even beyond, propelled by advanced propulsion technologies such as ion drives or nuclear propulsion.
Spacecraft technology continues to advance with innovations in materials, propulsion, navigation, and life support systems, enabling humanity to explore, study, and utilize the vast expanse of space.